| Customization: | Available |
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| Customized: | Customized |
| Standard: | API, SGS |
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PRODUCT SPECIFICATIONS |
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product name |
8 1/2 inch CR437 TCI tricone bit |
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size |
215.9mm |
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model number |
CR437 |
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series |
CR |
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tooth type |
TCI |
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connection |
4 1/2" Reg pin |
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bearing |
rubber sealed roller bearing |
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Nozzle |
three jet nozzles |
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application |
water well,oil well,HDD,exploration,etc |
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weight |
48kg |
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certificate |
SY/T5164,ISO9001:2008 |
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RECOMMENDED ROCK FORMATIONS |
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very soft with low compressive strength,such as shale,clay,sandstone and soft limestone,etc. |
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RECOMMENDED DRILLING PARAMETERS FOR APPLICATION |
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Type&IADC code |
116,117 |
126,127 |
136,137 |
216,217 |
317 |
337 |
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WOB(KN/mm) |
0.35~0.90 |
0.35~1.00 |
0.35~1.05 |
0.35~1.2 |
0.7~1.30 |
0.80~1.40 |
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RPM(r/min) |
150~80 |
150~70 |
120~60 |
90~50 |
80~45 |
75~45 |
Our Drilling Tools maintains a great reputation in the well drilling,construction, HDD (horizontal directional drilling) ,exploration, water well, geothermal and mining as a company that can provide dependability and high-quality products at excellent value.Our quality tools:Tricone bit ,PDC bit,Tricone Cutters(single rollers),PDC reamers,Drag bits ,HDD hole openers.
Our custom-designed PDC bits are specifically designed and manufactured with directional drilling in mind. Our bits are extremely stable, durable and 'directional' friendly, which is of the utmost importance when trying to keep the bit in a thin wavering pay zone. It is this steerable bit technology, combined with high ROP, which gives Crossing an advantage in a highly competitive market.
Our Mission:To guarantee each drill bit drills faster and lasts longer .
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